/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/PreviewGeometryActor.h
Line Set Utilities Find the identified line set and call UpdateFuncType(ULineSetComponent*)
template<typename UpdateFuncType> void UpdateLineSet ( const [FString](API\Runtime\Core\Containers\FString) & LineSetIdentifier, UpdateFuncType UpdateFunc )